Call bell stabilizer



FIG. 1 is an enlarged top, front, left side perspective view of a call bell stabilizer showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image thereof. 

CLAIM The ornamental design for a call bell stabilizer, as shown and described. 